Crystal Semiconductor Corp.
Records under this name other than patents Crystal Semiconductor Corp. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
Back to Crystal Semiconductor Corp.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 6,952,621 | Single-chip audio circuits, methods, and systems using the same Term ended Term ended Aug 6, 2020 · From the USPTO record | Term ended | Term ended Aug 6, 2020 | From the USPTO record |
| US 6,560,451 | Square wave analog multiplier Term ended Term ended Oct 15, 2019 · From the USPTO record | Term ended | Term ended Oct 15, 2019 | From the USPTO record |
| US 6,052,152 | Digital carrier synthesis by counting cycles for synchronization to a reference signal that is asynchronous with respect to a digital sampling clock Term ended Term ended Apr 27, 2018 · From the USPTO record | Term ended | Term ended Apr 27, 2018 | From the USPTO record |
| US 6,212,273 | Full-duplex speakerphone circuit including a control interface Term ended Term ended Mar 20, 2018 · From the USPTO record | Term ended | Term ended Mar 20, 2018 | From the USPTO record |
| US 6,282,176 | Full-duplex speakerphone circuit including a supplementary echo suppressor Term ended Term ended Mar 20, 2018 · From the USPTO record | Term ended | Term ended Mar 20, 2018 | From the USPTO record |
| US 6,434,110 | Full-duplex speakerphone circuit including a double-talk detector Term ended Term ended Mar 20, 2018 · From the USPTO record | Term ended | Term ended Mar 20, 2018 | From the USPTO record |
| US 6,012,142 | Methods for booting a multiprocessor system Term ended Term ended Nov 14, 2017 · From the USPTO record | Term ended | Term ended Nov 14, 2017 | From the USPTO record |
| US 6,081,783 | Dual processor digital audio decoder with shared memory data transfer and task partitioning for decompressing compressed audio data, and systems and methods using the same Term ended Term ended Nov 14, 2017 · From the USPTO record | Term ended | Term ended Nov 14, 2017 | From the USPTO record |
| US 6,101,598 | Methods for debugging a multiprocessor system Term ended Term ended Nov 14, 2017 · From the USPTO record | Term ended | Term ended Nov 14, 2017 | From the USPTO record |
| US 6,373,954 | Single-chip audio circuitry, method, and systems using the same Term ended Term ended Oct 14, 2017 · From the USPTO record | Term ended | Term ended Oct 14, 2017 | From the USPTO record |